:root{color-scheme:dark;font-family:system-ui,-apple-system,sans-serif;background:#101827;color:#edf2ff}*{box-sizing:border-box}body{margin:0}main{max-width:720px;margin:auto;padding:40px 20px 60px}.badge{color:#89e6cf;font-size:.75rem;font-weight:800;letter-spacing:.1em}h1{font-size:clamp(2.2rem,7vw,3.5rem);line-height:1.05;margin:16px 0}header p,.hint,.notes p{color:#bac6dc;line-height:1.6}.card{background:#1a263a;border:1px solid #35435b;border-radius:20px;padding:24px;margin-top:24px}.fields{display:grid;grid-template-columns:1fr 1fr;gap:18px}label{display:block;font-weight:600}label span{display:block;font-weight:400;color:#a8bad5;font-size:.85rem;margin-top:4px}input[type=number],select{display:block;width:100%;font:inherit;color:inherit;background:#101827;border:1px solid #62728d;border-radius:10px;padding:12px;margin:10px 0}input[type=number]{font-size:1.8rem}.volume{margin-top:18px;display:flex;align-items:center;gap:18px}.volume input{flex:1;accent-color:#89e6cf}.hint{font-size:.85rem}#remaining{text-align:center;font-size:4rem;font-variant-numeric:tabular-nums;margin-top:24px}#status{min-height:3em;text-align:center;color:#bceee1;line-height:1.5}.actions{display:flex;gap:12px}button{font:inherit;font-weight:700;border:0;border-radius:12px;padding:14px 22px;background:#89e6cf;color:#101827;cursor:pointer}button:disabled{opacity:.45;cursor:default}.actions button:first-child{flex:1}#stop{background:#455570;color:white}audio{width:100%;margin-top:22px}h2{font-size:1.15rem;margin-top:0}.notes{margin-top:30px}#offline{font-size:.85rem;color:#bac6dc}input:focus-visible,button:focus-visible,select:focus-visible{outline:3px solid #d5baff;outline-offset:3px}@media(max-width:380px){.card{padding:16px}.fields{gap:10px}main{padding:24px 12px}}